diff options
Diffstat (limited to 'proto_lib/packet.cpp')
-rw-r--r-- | proto_lib/packet.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/proto_lib/packet.cpp b/proto_lib/packet.cpp new file mode 100644 index 0000000..3e0d676 --- /dev/null +++ b/proto_lib/packet.cpp @@ -0,0 +1,98 @@ +// Copyright © 2013 sss +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +#include <string> +#include <list> +#include <vector> +#include <algorithm> +#include "api_protocol.h" +#include "packet.h" + + +packet::packet() +{ +} + +packet::packet(std::vector<unsigned char>& new_data) +{ + data = new_data; +} + +bool packet::assign(packet& p) +{ + data = p.data; + return is_good(); +} + +bool packet::assign(std::vector<unsigned char>& v) +{ + data = v; + return is_good(); +} + +bool packet::is_good() +{ + if(data.empty()) + return false; + if(std::search(data.begin(), data.end(), proto_header, proto_header + sizeof(proto_header)) == data.end()) + return false; + if(std::search(data.begin(), data.end(), proto_footer, proto_footer + sizeof(proto_footer)) == data.end()) + return false; + return true; +} + +bool packet::is_client_packet() +{ + std::vector<unsigned char>::iterator i = data.begin(); + i+= sizeof(proto_header); + std::vector<unsigned char> cli; + cli.push_back(*i); + i++; + cli.push_back(*i); + if(std::search(cli.begin(), cli.end(), cli_packet, cli_packet + sizeof(cli_packet)) != cli.end()) + return true; + return false; +} + +bool packet::is_server_packet() +{ + std::vector<unsigned char>::iterator i = data.begin(); + i+= sizeof(proto_header); + std::vector<unsigned char> srv; + srv.push_back(*i); + i++; + srv.push_back(*i); + if(std::search(srv.begin(), srv.end(), serv_packet, serv_packet + sizeof(serv_packet)) != srv.end()) + return true; + return false; +} + +packet_type packet::get_type() +{ + std::vector<unsigned char>::iterator i = data.begin(); + i+= (sizeof(proto_header) + 2); + std::vector<unsigned char> type; + type.push_back(*i); + i++; + type.push_back(*i); + bool cli = is_client_packet(); + if(std::search(type.begin(), type.end(), type_auth, type_auth + sizeof(type_auth)) != type.end()) + return cli?AUTH_REQUEST:AUTH_REPLY; + if(std::search(type.begin(), type.end(), type_services, type_services + sizeof(type_services)) != type.end()) + return cli?SERVICES_REQUEST:SERVICES_REPLY; + if(std::search(type.begin(), type.end(), type_command, type_command + sizeof(type_command)) != type.end()) + return cli?COMMAND_REQUEST:COMMAND_REPLY; + return UNKNOWN; +} |